Running calculators
Free, accurate tools for pace, heart rate zones, race prediction, calories and training zones. No sign-up required.
Running Pace Calculator
Enter your distance and finishing time. Runallo will work out your pace per kilometre and per mile, plus estimated finish times at 5K, 10K, half marathon and marathon.
Heart Rate Zone Calculator
Estimate your training zones based on your maximum heart rate. Use them to keep easy runs easy and hard sessions controlled.
Race Time Predictor
Enter a recent race distance and time. We'll estimate your potential at other distances using the Riegel formula.
Running Calorie Calculator
A simple estimate of calories burned for a run, using your body weight and distance covered.
Training Pace Calculator
Enter a recent 5K or 10K time and we'll suggest sensible easy, steady, threshold, interval and long run paces.
5K Pace Calculator
Enter your goal 5K time. Get the pace you need per kilometre and per mile, plus halfway and 1 km splits.
10K Pace Calculator
Enter your goal 10K time. We'll give you the pace per kilometre and mile, plus halfway and per-km splits.
Half Marathon Pace Calculator
Enter your goal half marathon time and we'll show the pace you need per kilometre and per mile, with key splits.
Marathon Pace Calculator
Enter your goal marathon time. We'll give you the pace per km and per mile, plus splits to keep you honest.